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Login: | Explaining level changesPremier B: University of Bristol Ballers v Lansdown 2 (Thu 09 Nov 2023)Match played between Max 'The Rattlesnake' Cockram (home) and Henry Duncanson (away).Match won by Max 'The Rattlesnake' Cockram. Result: 5-11,11-6,6-11,12-10,11-5. Starting level for Max 'The Rattlesnake' Cockram: 3,518, level confidence: 70%. Set manually. Starting level for Henry Duncanson: 4,751, level confidence: 65%. Henry Duncanson to win as he is currently playing 35% better than Max 'The Rattlesnake' Cockram. Max 'The Rattlesnake' Cockram won 60% of the games and 51% of the points. This games result would be expected if he was better by around 10%. This points result would be expected if he was better by around 5% (PAR scoring). These are weighted and combined to calculate that Max 'The Rattlesnake' Cockram played 9% better than Henry Duncanson in this match. Assuming that any level changes are shared between both players, for this result it looks like Max 'The Rattlesnake' Cockram actually played at a level of 4,262 and Henry Duncanson at a level of 3,922. Without any damping, both players would need to be adjusted by 21% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 18% and 18% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Max 'The Rattlesnake' Cockram changes to +16% and Henry Duncanson changes to -18%. After applying standard match damping, the adjustment for Max 'The Rattlesnake' Cockram becomes +6.1% and for Henry Duncanson becomes -6%. Apply match/event weighting of 75% for 'Mixed Autumn 2023/2024' so the adjustment for Max 'The Rattlesnake' Cockram is +4.6% and for Henry Duncanson is -4.4%. Increase level confidence due to one more match played. Max 'The Rattlesnake' Cockram: 84%, Henry Duncanson: 80%. Reduce level confidence based on how unexpected the result is. Max 'The Rattlesnake' Cockram: 69%, Henry Duncanson: 66%. A final adjustment of -4.1% has been made to both players as part of the automatic calibration that is performed after each match. All players in this pool will have been adjusted equally in order to remain equivalent to other player pools. Final level for Max 'The Rattlesnake' Cockram: 3,652, level confidence: 69%. Final level for Henry Duncanson: 4,228, level confidence: 66%. Notes
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